The pre-roll video plays for five seconds with the overlay ( that is clickable ) after 5 seconds the pre-roll shrinks into the screen and moves to the top right corner….

After the pre-roll shrinks into the right corner it keeps playing and a full clickable image of the show appears until the pre-roll ends – then the ad will end and go to the video content – see example of how this works here: https://gallery.oculu.com/work/around-the-world/